/Engine/Source/Runtime/Engine/Classes/Engine/AssetManager.h
Updates the asset data cached on the name data; returns false if the asset is not a valid primary asset.
virtual bool TryUpdateCachedAssetData ( const [FPrimaryAssetId](API\Runtime\CoreUObject\UObject\FPrimaryAssetId) & PrimaryAssetId, const [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) & NewAssetData, bool bAllowDuplicates )